Kinetics and thermodynamics of fluoride ion sorption on fire clay from aqueous solution

被引：0
|
作者：
Alagumuthu, G. [1 ]
Singh, A. J. A. Ranjit [2 ]
Sundar, S. [2 ]
机构：
[1] Sri Paramakalyani Coll, Post Grad & Res Dept Chem, Alwarkuruchi, Tamil Nadu, India
[2] Sri Paramakalyani Coll, Dept Adv Zool & Biotechnol, Alwarkuruchi, Tamil Nadu, India
来源：
JOURNAL OF THE INDIAN CHEMICAL SOCIETY | 2008年 / 85卷 / 01期
关键词：
fluoride removal; fire clay; adsorption; Langmuir isotherm; kinetics;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The kinetics and thermodynamics of fluoride ions sorption on fire clay from aqueous solution have been investigated. The various factors that influence the defluoridation efficiency of the material were studied. Adsorption obeyed both Langmuir and Freundlich isotherm models. Various thermodynamic parameters such as Delta G degrees, Delta H degrees and Delta S degrees were calculated indicating that this system was a spontaneous one and endothermic in nature. FTIR studies showed the involvement of hydroxyl group on the surface in the adsorption interaction.
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收藏
页码：111 / 113
页数：3
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